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from | Encarta |  |
Robert Ballard |
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| The oceanographer and explorer Robert Ballard (on the right) and the photographer Emory Kristof stand next to the French sonar search instrument SAR in this 1985 view. SAR was used in the initial reconnaissance of the seabed that led to the discovery of the wreck of the Titanic. In its more than 100-year history the National Geographic Society has sponsored many such innovative expeditions, combining adventure and research. | ||||||
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| Emory Kristof/National Geographic Society | ||||||
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| Appears in these articles | ||||||
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| National Geographic Society; Sonar; Ballard, Robert Duane | ||||||
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